The infectious period for Hong Kong Flu is known to average about three days, so our estimate of k = 1/3 is probably not far off. However, our estimate of b was nothing but a guess. Furthermore, a good estimate of the "mixing rate" of the population would surely depend on many characteristics of the population, such as density. In this part, we will experiment with the effects of these parameters on the solutions, and then try to find values that are in agreement with the excess deaths data from New York City. We focus our experimentation on the infected-fraction, i(t), since that function tells us about the progress of the epidemic.